/*
 * Copyright © 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using Microsoft.Win32;
using NUnit.Framework;

#pragma warning disable CA1416 // is only supported on windows

namespace Spring.Core.TypeConversion;

/// <summary>
/// Unit tests for the RegistryKeyConverter class.
/// </summary>
/// <author>Aleksandar Seovic</author>
[Platform("Win")]
public sealed class RegistryKeyConverterTests
{
    [Test]
    public void ConvertFromNullReference()
    {
        RegistryKeyConverter rkc = new RegistryKeyConverter();
        Assert.Throws<ArgumentNullException>(() => rkc.ConvertFrom(null));
    }

    [Test]
    public void ConvertFromNonSupportedOptionBails()
    {
        RegistryKeyConverter rkc = new RegistryKeyConverter();
        Assert.Throws<NotSupportedException>(() => rkc.ConvertFrom(12));
    }

    [Test]
    public void ConvertFrom()
    {
        RegistryKeyConverter rkc = new RegistryKeyConverter();
        Assert.AreEqual(Registry.CurrentUser, rkc.ConvertFrom("HKEY_CURRENT_USER"));
        Assert.AreEqual(Registry.CurrentUser.OpenSubKey("Software").Name,
            ((RegistryKey) rkc.ConvertFrom(@"HKEY_CURRENT_USER\Software")).Name);
        Assert.AreEqual(Registry.CurrentUser.OpenSubKey("Software").OpenSubKey("Microsoft").Name,
            ((RegistryKey) rkc.ConvertFrom(@"HKEY_CURRENT_USER\Software\Microsoft")).Name);
    }

    [Test]
    public void ConvertFromEmptyString()
    {
        RegistryKeyConverter rkc = new RegistryKeyConverter();
        Assert.Throws<ArgumentNullException>(() => rkc.ConvertFrom(string.Empty));
    }

    [Test]
    public void ConvertFromBadKeyString()
    {
        RegistryKeyConverter rkc = new RegistryKeyConverter();
        Assert.Throws<ArgumentException>(() => rkc.ConvertFrom(@"HKEY_CURRENT_USER\sdgsdfgsdfgxadas\Xyz\Abc"), @"Registry key [HKEY_CURRENT_USER\sdgsdfgsdfgxadas] does not exist.");
    }

    [Test]
    public void ConvertFromBadHiveString()
    {
        RegistryKeyConverter rkc = new RegistryKeyConverter();
        Assert.Throws<ArgumentException>(() => rkc.ConvertFrom(@"HKEY_ERROR\sdgsdfgsdfgxadas"), "Invalid root hive name [HKEY_ERROR].");
    }
}
